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y pestis is transmitted from rodent to rodent by infected fleas xenopsylla cheopis

plague is usually transmitted to humans by the bites of infected rodent fleas

ersinia pestis is transmitted from rodent to rodent by infected fleas xenopsylla cheopis oriental rat flea

caused by a bacterium called yersinia pestis is transmitted from rodent to rodent by infected fleas

laboratorian is identifying fleas as one step in the collection of plague study data

test tubes containing aspirated fleas as part of the san francisco plague series
